DESIGN OF ARM-BASED EMBEDDED ETHERNET
INTERFACE
With the development of network technology and communication technology, t...
and subnet mask must be set firstly, and the appropriate commands and data’s were sent to the
host computer through serial...
Power Supply

LCD

Gas sensor

PIC

RF Transceiver

16F877A

Main Node:
Power Supply

RF Transceiver

ARM7
LPC2129

Ethern...
Hardware Requirements:
 ARM7 LPC2129 Microprocessor
 PIC Microcontroller.
 LCD
 Ethernet converter
 Gas Sensor
 Temp...
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Design of arm based embedded ethernet interface

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Design of arm based embedded ethernet interface

  1. 1. DESIGN OF ARM-BASED EMBEDDED ETHERNET INTERFACE With the development of network technology and communication technology, the need that industrial control can be completed via network has become a trend. In traditional industrial control system or data acquisition system, the structure that one host connects multiple serial devices through multiport serial cards is adopted. The task of host is to communicate with each serial device, process data and interact between the operator and computer. This structure is feasible in the case of fewer devices, lower transmission rate. So a solution need be found to realize the communication between industrial control devices and Ethernet. As the embedded system itself has the performance of network and human-computer interaction, it is possible that the embedded system replaces the previous control method based on microcontroller. So an ARM processor based embedded Ethernet interface system is designed. Existing System: In existing system, if the host needs to connect more serial devices at the same time with higher transmission rate and the data processing is more complex, the system performance is poor. In addition, these serial devices connect the same host may be geographically far and this will increase the length of wiring and drop communication quality. Proposed system: The design mainly consists of RF transceiver with SPI communication module, processor module and Ethernet interface module. SPI communication module is the interface between central processing unit and RF transceiver module. Its work is to receive data form RF transceiver module and then transmit them to the microcontroller ARM7 LPC2129. Data from the different source is received by RF transceiver through SPI communication. Then the received data is fed to the microprocessor. The processor then uploads the data to internet using Ethernet interface. In the Ethernet, in order to send the data to Ethernet in the system, the local IP address
  2. 2. and subnet mask must be set firstly, and the appropriate commands and data’s were sent to the host computer through serial to Ethernet interface driver. Block Diagram: Sensor Node1: Power Supply LCD Temperature sensor Sensor Node2: PIC 16F877A RF Transceiver
  3. 3. Power Supply LCD Gas sensor PIC RF Transceiver 16F877A Main Node: Power Supply RF Transceiver ARM7 LPC2129 Ethernet Interface
  4. 4. Hardware Requirements:  ARM7 LPC2129 Microprocessor  PIC Microcontroller.  LCD  Ethernet converter  Gas Sensor  Temperature Sensor  RF Transceiver Software Requirements:  Embedded C  CCS or MP LAB Compiler  Keil Compiler Advantages:  Higher data transmission rate.  Long distance communication.

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